At the GSATC Gadgetfest today I demonstrated some DIY technology. Aside from forgetting to turn on the power to the servo for my robotic tea steeper it went O.K. and it was a lot of fun.
The Cuff Light only took about 2 hours to make and it is a great project to learn very basic circuits.
Mitch Altman’s Brain Machine plans can be found on Make Magazine’s site and this thing really works.